From 37c50ed517d6aea831236ac5191875e739f500c0 Mon Sep 17 00:00:00 2001
From: qing <1776177662@qq.com>
Date: Mon, 3 Aug 2026 23:11:10 +0800
Subject: [PATCH] =?UTF-8?q?fix(static):=20=E8=8E=B7=E5=8F=96=E9=82=AE?=
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refreshCaptcha 增加 preserveInput 参数，获取验证码后的自动刷新不再清空图形验证码输入框，避免误清空用户输入
---
 static/public/forgot.html    | 9 +++++----
 static/public/js/register.js | 9 +++++----
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/static/public/forgot.html b/static/public/forgot.html
index 8d19c9d..c87f688 100644
--- a/static/public/forgot.html
+++ b/static/public/forgot.html
@@ -63,11 +63,11 @@ let cooldownTimer = null;	// 重发倒计时（与服务端 smtp 同邮箱 60s 
 let captchaToken = '';
 let captchaLoading = false;	// 防重复点击：加载中忽略再次触发
 
-async function refreshCaptcha() {
+async function refreshCaptcha(preserveInput) {
 	if (captchaLoading) return;
 	captchaLoading = true;
 	captchaToken = '';
-	captchaInput.value = '';         // 开始刷新时清空输入，避免用户误用旧验证码
+	if (!preserveInput) captchaInput.value = '';  // 默认清空输入；preserveInput=true 时保留（获取验证码后）
 	captchaImg.style.opacity = '0.5'; // 视觉提示：正在刷新
 	try {
 		const res = await fetch('/captcha/image', { cache: 'no-store' });
@@ -267,8 +267,9 @@ getCodeButton.addEventListener('click', async function () {
 		codeTip.classList.add('tip-red');
 		if (httpStatus === 429) startResendCooldown(60);	// 命中冷却/限流，倒计时对齐
 	} finally {
-		// CAPTCHA Token 一次性消费，无论成败都刷新
-		refreshCaptcha();
+		// CAPTCHA Token 一次性消费，无论成败都刷新图形验证码；
+		// 刷新时保留已输入的图形验证码答案，避免误清空用户输入
+		refreshCaptcha(true);
 		if (!cooldownTimer) getCodeButton.disabled = false;
 	}
 });
diff --git a/static/public/js/register.js b/static/public/js/register.js
index 45898ee..e44dccb 100644
--- a/static/public/js/register.js
+++ b/static/public/js/register.js
@@ -19,11 +19,11 @@ let cooldownTimer = null;	// 重发倒计时（与服务端同邮箱 60s 发送
 let captchaToken = '';
 let captchaLoading = false;	// 防重复点击：加载中忽略再次触发
 
-async function refreshCaptcha() {
+async function refreshCaptcha(preserveInput) {
 	if (captchaLoading) return;
 	captchaLoading = true;
 	captchaToken = '';
-	captchaInput.value = '';         // 开始刷新时清空输入，避免用户误用旧验证码
+	if (!preserveInput) captchaInput.value = '';  // 默认清空输入；preserveInput=true 时保留（获取验证码后）
 	captchaImg.style.opacity = '0.5'; // 视觉提示：正在刷新
 	try {
 		const res = await fetch('/captcha/image', { cache: 'no-store' });
@@ -222,8 +222,9 @@ getCodeButton.addEventListener('click', async function () {
 		codeTip.classList.add('tip-red');
 		if (httpStatus === 429) startResendCooldown(60);	// 命中冷却/限流，倒计时对齐
 	} finally {
-		// CAPTCHA Token 一次性消费，无论成败都刷新
-		refreshCaptcha();
+		// CAPTCHA Token 一次性消费，无论成败都刷新图形验证码；
+		// 刷新时保留已输入的图形验证码答案，避免误清空用户输入
+		refreshCaptcha(true);
 		if (!cooldownTimer) getCodeButton.disabled = false;
 	}
 });